“Thank we @sandiegozoo,” Kardashian West, 37, captioned one of a photos in her array that enclosed a singular smiley design of her rapper husband, 40, as he hugged their 2-year-old son Saint.

The couple’s oldest child, North, 4, showed off her adorably nonsensical side in dual pictures, one of that she gave a assent pointer to a camera. The large sister was also means to feed one of a zoo’s elephants as good as have photos ops with a hippopotamus and a span of penguins.

Not graphic was youngest West family member, 2-month-old baby girl Chicago, who was innate on Jan. 15.

“They don’t have a many normal approach of lifting their kids since they’re so busy,” a source told PEOPLE. “When they’re not together, Kim and Kanye FaceTime with a kids and speak to them as most as they can.